Navigate Up
Roads & Airports Department
Menu +

Mission Statement:

The mission of the Roads and Airports Department is to preserve, operate, and enhance the County's expressways, unincorporated roads, and three general aviation airports in a safe, timely and cost-effective manner to meet the needs of the traveling public.   

The County's Roads and Airports Department  operates and maintains 62 miles of expressway and 635 miles of rural and urban roadways in unincorporated areas, including 23 miles of sound walls, 168 bridges, 39 miles of carpool lanes, 164 signalized intersections, 4,500 street lights, 25,000 regulatory signs, and 2,185 drain inlets. It also operates and maintains the County's three general aviation airports at Reid-Hillview, Palo Alto and South County — comprised of 7 miles of runways and taxiways, 145 aircraft hangars, 648 open aircraft tie-down storage spaces.

Click here to view the Santa Clara County Official Road Book, showing all road sections within the County of Santa Clara maintained roads system. Current information regarding short-term County road closures and lane restrictions is available by calling the County's HOT LINE at 408-494-1382.   


NEWS - Recent Features 

Construction Update: 11/5/15Paving between El Camino Real and 237 is completed. Paving between Homestead and El Camino Real will be completed by Saturday, November 7, 2015.  Crack sealing between Saratoga and Homestead will be completed early in the week of November 9th.  Stripping of the project between Homestead and HWY 237 will be completed by the end of month of November.      

Lawrence Expressway Pavement Rehabilitation Project -The project provides for pavement repair & rehabilitation on a segment of Lawrence Expressway between Homestead Rd. and Highway 237 and crack sealing between Saratoga Ave and Homestead Rd. 
The project duration, weather permitting, is programmed for 2.5 months finishing mid November.
The work will include:

• Roadway excavation,
• Pavement repair,
• Crack sealing (between Homestead Rd and Saratoga Ave)
• Cold foam In place Recycling (CIR) between Homestead Rd and El Camino Real with pavement overlay
• Type II & Type III micro-surfacing between El Camino real and Hwy 237,
• Removal and replacement of curb and gutter,
• Removal and replacement of B3 curb removal
• Removal of concrete (sidewalk and pedestrian. ramps)
• Construction of ADA curb ramps,
• Retrofit of ADA curb ramps,
• Sidewalk construction
• And replacement of traffic stripes, pavement markings, pavement markers.

 Old Santa Cruz Hwy and SR-17 Slope and Drainage Repair Project - The California Department of Transportation (Cal-Trans) will begin to repair drainage and stabilize gully down slope separating State Route 17 at post mile 1.6 and Old Santa Cruz Highway just north of Redwood Estates starting Monday, October 5th, 2015.  For project questions please contact: Bernard Walik at (510) 286-5705 or email at:

Flood Preparation Information-

Sand bag locations map: MUST bring your own shovel 

How to Fight Flooding at Home

Flood Safety Tip from Water District